[llvm] [AMDGPU] Disable unaligned 2addr LDS operations in strict mode (PR #219004)

[Stanislav Mekhanoshin via llvm-commits]

rampitec wrote:

> LGTM. Being nitpick: it seems like we usually call it two-addr and three-addr. 2addr looks a little weird.

It is a part of instruction mnemonic now.

https://github.com/llvm/llvm-project/pull/219004